<h1>Chỉnh sữa nha dat</h1>
<form class="form" method="post" enctype="multipart/form-data" action="<?php echo site_url('admin/gioi-thieu/'.$list_detail['id'].'/edit/submit'); ?>">
    <div>
        <ul>
            <li><label>Nội dung</label>
            </li>
            <li><textarea class="ckeditor" name="editor1"><?php echo $list_detail['content'] ?></textarea></li>
        </ul>
        <input type="submit" class="bt-add" value="Thay đổi"/>
    </div>
</form>